Merge pull request 'Added port stripping' (#78) from payments into master

Reviewed-on: #78

LiteCharms.Features/Extensions/Api.cs

@@ -50,7 +50,8 @@ public static class Api
                     {
                         var uriBuilder = new UriBuilder(context.ProtocolMessage.RedirectUri)
                         {
-                            Scheme = "https"
+                            Scheme = "https",
+                            Port = -1,
                         };
 
                         context.ProtocolMessage.RedirectUri = uriBuilder.Uri.ToString();